<template>
    <el-row type="flex" class="row-bg" justify="center">
        <el-col :xl="6" :lg="7">
            <div class="login-form">
                <h2>欢迎来到VueAdmin管理系统</h2>
<!--                <el-image-->
<!--                        style="width: 180px; height: 180px"-->
<!--                        :src="require('@/assets/markerhub/MarkerHub.jpg')"-->
<!--                ></el-image>-->
                <p>
                    公众号 MarkerHub
                </p>
                <p>
                    扫码二维码，回复【VueAdmin】获取登录密码
                </p>
            </div>
        </el-col>
        <el-col :span="1">
            <el-divider direction="vertical"></el-divider>
        </el-col>
        <el-col :xl="6" :lg="7">
            <el-form label-position="right" :rules="rules" label-width="80px" :model="loginForm" ref="loginForm">
                <el-form-item label="用户名" prop="username" style="width: 380px;">
                    <el-input v-model="loginForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password" style="width: 380px;">
                    <el-input type="password" v-model="loginForm.password"></el-input>
                </el-form-item>
                <el-form-item label="验证码" prop="code" style="width: 380px;">
                    <el-input v-model="loginForm.code" style="width: 172px; float: left;" maxlength="5"></el-input>
                    <el-image class="captchaImg" :src="captchaImg" @click="getCaptcha"></el-image>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="submitForm('loginForm')">提交</el-button>
                    <el-button @click="getPass">获取密码</el-button>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>
<script>
    import qs from 'qs'
    export default {
        name: "Login",
        data() {
            return {
                loginForm: {
                    username: 'admin',
                    password: 'markerhub',
                    code: '11111',
                    token: '',
                },
                rules: {
                    username: [
                        {required: true, message: '请输入用户名', trigger: 'blur'}
                    ],
                    password: [
                        {required: true, message: '请输入密码', trigger: 'blur'}
                    ],
                    code: [
                        {required: true, message: '请输入验证码', trigger: 'blur'},
                        {min: 5, max: 5, message: '验证码为5个字符', trigger: 'blur'}
                    ],
                },
                captchaImg: ''
            }
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        this.$axios.post('/login?' + qs.stringify(this.loginForm)).then(res => {
                            console.log(res.data)
                            const jwt = res.headers['authorization']
                            // 将jwt存储到应用store中
                            this.$store.commit("SET_TOKEN", jwt)
                            this.$router.push("/index")
                        }).catch(error => {
                            this.getCaptcha();
                            console.log('error submit!!');
                        })
                    } else {
                        this.getCaptcha();
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
            resetForm(formName) {
                this.$refs[formName].resetFields();
            },
            getPass() {
                this.$message("请扫描左边的二维码，回复【VueAdmin】获取登录密码");
            },
            getCaptcha() {
                this.$axios.get('/captcha').then(res => {
                    this.loginForm.token = res.data.data.token
                    this.captchaImg = res.data.data.captchaImg
                })
            }
        },
        created() {
            this.getCaptcha()
        }
    }
</script>
<style scoped>
    .el-col {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100%;
        text-align: center;
    }
    .el-row {
        height: 100%;
        background-color: #fafafa;
    }
    .el-divider {
        height: 200px;
    }
    .captchaImg {
        float: left;
        margin-left: 8px;
        border-radius: 4px;
    }
</style>